<ItemGroup>
    <Protobuf Include="Protos\greet.proto" GrpcServices="Client" />
  </ItemGroup>

using Grpc.Net.Client;
using GrpcService1;
namespace ClientGRPC
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string url = "https://localhost:5001";   //https
            using (var channel = GrpcChannel.ForAddress(url))
            {
                var client = new Greeter.GreeterClient(channel);
                var reply = client.SayHello(new HelloRequest()
                {
                    Name = "故里2130"
                });
                Console.WriteLine($"結果:message:{reply.Message}");
            }
            Console.ReadKey();
            //AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);  //http調(diào)用
            //string url = "http://localhost:5000";
            //using (var channel = GrpcChannel.ForAddress(url))
            //{
            //    var client = new Greeter.GreeterClient(channel);
            //    var reply = client.SayHello(new HelloRequest()
            //    {
            //        Name = "故里2130"
            //    });
            //    Console.WriteLine($"結果:message:{reply.Message}");
            //}
            //Console.ReadKey();
        }
    }
}

using Grpc.Core;
using GrpcService1;
namespace webapiGRPC.Controllers
{
    public class GreeterService : Greeter.GreeterBase
    {
        private readonly ILogger<GreeterService> _logger;
        public GreeterService(ILogger<GreeterService> logger)
        {
            _logger = logger;
        }
        public override Task<HelloReply> SayHello(HelloRequest request, ServerCallContext context)
        {
            return Task.FromResult(new HelloReply
            {
                Message = "Hello " + request.Name
            });
        }
    }
}

using GrpcService1;
using webapiGRPC.Controllers;
namespace webapiGRPC
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);
            // Add services to the container.
            builder.Services.AddControllers();
            // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
            builder.Services.AddEndpointsApiExplorer();
            builder.Services.AddSwaggerGen();
            builder.Services.AddGrpc();
            var app = builder.Build();
            // Configure the HTTP request pipeline.
            //if (app.Environment.IsDevelopment())
            //{
            app.UseSwagger();
            app.UseSwaggerUI();
            //}
            app.UseHttpsRedirection();
            app.UseAuthorization();
            app.MapGrpcService<GreeterService>();
            app.MapControllers();
            app.Run();
        }
    }
}

  <ItemGroup>
    <Protobuf Include="Protos\greet.proto" GrpcServices="Server" />
  </ItemGroup>